<script setup>
    import '@wangeditor/editor/dist/css/style.css' // 引入 css

    import {onBeforeUnmount, ref, shallowRef, onMounted, watch} from 'vue'
    import {Editor, Toolbar} from '@wangeditor/editor-for-vue'
    import {ElMessage} from "element-plus";

    // 编辑器实例，必须用 shallowRef
    const editorRef = shallowRef()

    // 内容 HTML
    const valueHtml = ref('<p></p>')
    //初始值，用于做数据回显功能
    const props = defineProps({
        initValue: {
            type: String,
            default: ''
        }
    })
    //主要用于父组件接收wangeditor实时编辑的内容
    const emit = defineEmits(['getEditorContent'])

    //监听父组件传递过来值的变化，用于回显
    watch(() => props.initValue, value => {
        console.log(value)
        valueHtml.value = value ?? ''
    })
    //监听富文本编辑器内容变化，通知父组件得到数据
    watch(valueHtml, (content) => {
        emit('getEditorContent', content)
    })

    const toolbarConfig = {}
    //图片上传
    import {useTokenStore} from '@/store/token.js'

    const tokenStore = useTokenStore();
    const editorConfig = {
        placeholder: '请输入内容...',
        MENU_CONF: {
            uploadImage: {
                fieldName: 'file',
                server: '/api/upload',
                // 自定义增加 http  header
                headers: {
                    Authorization: tokenStore.token,
                },
                customInsert(res, insertFn) {
                    // res 即服务端的返回结果
                    console.log(res)
                    // 从 res 中找到 url alt href ，然后插入图片
                    if (res.code == 0) {
                        insertFn(res.data)
                    } else {
                        ElMessage.error('插入图片异常')
                    }
                },
            }
        }
    }

    // 组件销毁时，也及时销毁编辑器
    onBeforeUnmount(() => {
        const editor = editorRef.value
        if (editor == null) return
        editor.destroy()
    })

    const handleCreated = (editor) => {
        editorRef.value = editor // 记录 editor 实例，重要！
    }
</script>

<template>
    <div style="border: 1px solid #ccc">
        <Toolbar
            style="border-bottom: 1px solid #ccc"
            :editor="editorRef"
            :defaultConfig="toolbarConfig"
        />
        <Editor
            style="height: 500px; overflow-y: hidden;"
            v-model="valueHtml"
            :defaultConfig="editorConfig"
            @onCreated="handleCreated"
        />
    </div>
</template>

<style scoped>

</style>